EP1382466A4 - Rotary support for wheel with encoder - Google Patents

Rotary support for wheel with encoder

Info

Publication number
EP1382466A4
EP1382466A4 EP02705475A EP02705475A EP1382466A4 EP 1382466 A4 EP1382466 A4 EP 1382466A4 EP 02705475 A EP02705475 A EP 02705475A EP 02705475 A EP02705475 A EP 02705475A EP 1382466 A4 EP1382466 A4 EP 1382466A4
Authority
EP
European Patent Office
Prior art keywords
encoder
poles
prevented
sensor
foreign matter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02705475A
Other languages
German (de)
French (fr)
Other versions
EP1382466A1 (en
EP1382466B1 (en
Inventor
Junshi Sakamoto
Hiroya Miyazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NSK Ltd filed Critical NSK Ltd
Publication of EP1382466A1 publication Critical patent/EP1382466A1/en
Publication of EP1382466A4 publication Critical patent/EP1382466A4/en
Application granted granted Critical
Publication of EP1382466B1 publication Critical patent/EP1382466B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/18—Arrangement of bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/329—Systems characterised by their speed sensor arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Sealing Of Bearings (AREA)
  • Vibration Dampers (AREA)

Abstract

It is prevented that magnetic foreign matter adheres the magnet encoder 3a to deteriorate the reliability of rotation speed detection with the sensor 4a. The encoder 3a is provided on the outside of the combined seal ring 19 with reference to the bearing interior space 24, and the sensor 4a faces the encoder 3a. The knuckle 21 is placed close to the housing 33 of the drive shaft member 28 of the constant velocity joint 27 to form a labyrinth seal 20. The width of the clearance of this labyrinth seal 20 is up to 40% of the pitch of adjacent S-poles and N-poles that are arranged on the detected surface of the encoder 3a. With this construction, larger foreign matter is prevented from attaching to the detected surface of the encoder 3a to solve the above subject. <IMAGE>
EP02705475A 2001-04-25 2002-03-25 Rotary support for wheel with encoder Expired - Lifetime EP1382466B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001126931 2001-04-25
JP2001126931A JP4857485B2 (en) 2001-04-25 2001-04-25 Rotation support device for wheels with encoder
PCT/JP2002/002838 WO2002090133A1 (en) 2001-04-25 2002-03-25 Rotary support for wheel with encoder

Publications (3)

Publication Number Publication Date
EP1382466A1 EP1382466A1 (en) 2004-01-21
EP1382466A4 true EP1382466A4 (en) 2006-01-04
EP1382466B1 EP1382466B1 (en) 2008-12-10

Family

ID=18975888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02705475A Expired - Lifetime EP1382466B1 (en) 2001-04-25 2002-03-25 Rotary support for wheel with encoder

Country Status (8)

Country Link
US (1) US8087831B2 (en)
EP (1) EP1382466B1 (en)
JP (1) JP4857485B2 (en)
KR (1) KR100533404B1 (en)
CN (1) CN1332836C (en)
AT (1) ATE416936T1 (en)
DE (1) DE60230253D1 (en)
WO (1) WO2002090133A1 (en)

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Publication number Priority date Publication date Assignee Title
JP4300038B2 (en) * 2003-02-05 2009-07-22 内山工業株式会社 Bearing seal structure
JP4318205B2 (en) * 2003-06-23 2009-08-19 Ｎｔｎ株式会社 Rolling bearing for wheel and bearing device for semi-floating wheel provided with the same
JP2005140320A (en) * 2003-10-14 2005-06-02 Nsk Ltd Hub unit for driving wheel
US7819588B2 (en) 2005-03-31 2010-10-26 Honda Motor Co., Ltd. Bearing device for drive wheel
JP4505365B2 (en) * 2005-03-31 2010-07-21 本田技研工業株式会社 Drive wheel bearing device
US20070172164A1 (en) * 2006-01-20 2007-07-26 Jtekt Corporation Rolling bearing system for vehicles
JP5105397B2 (en) 2006-07-18 2012-12-26 Ｎｔｎ株式会社 Drive wheel bearing device
WO2008142844A1 (en) * 2007-05-11 2008-11-27 Ntn Corporation Bearing device foe wheel
JP2009162677A (en) * 2008-01-09 2009-07-23 Ntn Corp Wheel bearing device with rotation speed detector
JP5035754B2 (en) * 2008-01-31 2012-09-26 株式会社ジェイテクト Rolling bearing device with sensor
JP2009204083A (en) * 2008-02-28 2009-09-10 Nsk Ltd Bearing with sensor
JP5212814B2 (en) * 2008-10-29 2013-06-19 株式会社ジェイテクト Rolling bearing device with sensor
US8327697B2 (en) * 2009-10-15 2012-12-11 Caterpillar Inc. Wheel speed sensing system and method
DE102010013214A1 (en) * 2010-03-29 2011-09-29 Schaeffler Technologies Gmbh & Co. Kg Wheel bearing arrangement with sensor stop
BR102014000997A2 (en) 2013-01-18 2016-01-26 Ford Global Tech Llc wheel bearing unit and motor vehicle
JP6260348B2 (en) * 2014-02-28 2018-01-17 日本精工株式会社 Rolling bearing unit with rotational speed detector
KR102228936B1 (en) * 2014-08-20 2021-03-17 현대모비스 주식회사 Axle assembly making wheel speed measuring precisely
DE102016108463A1 (en) * 2016-05-09 2017-11-09 Man Diesel & Turbo Se labyrinth seal
DE102016222110A1 (en) 2016-11-10 2017-03-16 Audi Ag Wheel bearing arrangement for a motor vehicle
DE102017128969A1 (en) * 2017-12-06 2019-06-06 Schaeffler Technologies AG & Co. KG The wheel bearing assembly

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CH448650A (en) * 1965-07-23 1967-12-15 Leidenfrost Reinhold Gap or labyrinth seal and process for their manufacture
JPS5934129A (en) * 1982-08-20 1984-02-24 Nissan Motor Co Ltd Sensor for tire air pressure
JPS6376504A (en) * 1986-09-19 1988-04-06 Toshiba Corp Antenna system
JPS6444258A (en) 1987-08-08 1989-02-16 Toshiba Machine Co Ltd Cylinder for molding machine
JPH0519265Y2 (en) * 1987-09-11 1993-05-20
JPH022527A (en) * 1988-06-15 1990-01-08 Hitachi Ltd Symmetric electrochromic display device
JPH0211701A (en) 1988-06-29 1990-01-16 Showa Denko Kk Production of fe-si alloy powder
JPH086569Y2 (en) * 1988-07-08 1996-02-28 日産自動車株式会社 Axle bearing seal structure
US4940936A (en) * 1989-02-24 1990-07-10 The Torrington Company Antifriction bearing with a clip-on sensor cooperating with a shaft mounted magnetic encoder retainer ring
US4968156A (en) * 1989-11-27 1990-11-06 The Torrington Company Bearing with a magnetic field sensor
JP2572198Y2 (en) 1991-09-04 1998-05-20 本田技研工業株式会社 Wheel speed detector
JP2696291B2 (en) * 1992-05-19 1998-01-14 エスケーエフ インダストリー エス．ピー．エー． Railway axle equipment
US5287738A (en) 1992-10-30 1994-02-22 The Torrington Company Sensor system for antilock brakes
US5291130A (en) 1993-01-25 1994-03-01 Eaton Corporation Vehicle wheel speed sensor employing an adaptable rotor cap
JPH0731539A (en) 1993-07-19 1995-02-03 Kiriyama Kogyo Kk Heating device for cooking pot
JPH0789419A (en) * 1993-09-24 1995-04-04 Suzuki Motor Corp Mounting structure of vehicle speed sensor for automobile
JP3309594B2 (en) 1994-11-04 2002-07-29 日本精工株式会社 Rolling bearing unit with rotation speed detector
FR2730566B1 (en) * 1995-02-09 1997-06-13 Skf France ENCODER DEVICE FOR ROTATION SPEED SENSOR AND BEARING PROVIDED WITH SUCH A DEVICE
GB2303214B (en) 1995-07-07 1998-01-21 Nsk Ltd Rolling bearing unit with rotary speed sensor
JPH09100849A (en) * 1995-10-04 1997-04-15 Mitsubishi Motors Corp Waterproof structure of brake for automobile
FR2740186B1 (en) * 1995-10-20 1997-11-28 Roulements Soc Nouvelle DEVICE FOR FIXING A SENSOR ON A BEARING WITH ROLLING BODIES
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DE19644744C2 (en) 1996-10-28 2002-05-02 Fag Automobiltechnik Ag Speed measuring device for wheel bearings
JPH10300765A (en) 1997-04-28 1998-11-13 Toyota Motor Corp Dustproof structure of wheel speed sensor
DE19735978B4 (en) 1997-08-19 2010-09-16 Schaeffler Technologies Gmbh & Co. Kg Wheel bearing with speed sensor for automobiles
JP3968857B2 (en) 1998-01-09 2007-08-29 日本精工株式会社 Seal structure of rotation speed detector
JP3862453B2 (en) * 1999-09-10 2006-12-27 Ｎｔｎ株式会社 Wheel bearing device
JP4169139B2 (en) * 2000-05-18 2008-10-22 Ｎｔｎ株式会社 Sealing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
KR100533404B1 (en) 2005-12-05
ATE416936T1 (en) 2008-12-15
EP1382466A1 (en) 2004-01-21
US8087831B2 (en) 2012-01-03
CN1512943A (en) 2004-07-14
JP4857485B2 (en) 2012-01-18
KR20030094369A (en) 2003-12-11
CN1332836C (en) 2007-08-22
EP1382466B1 (en) 2008-12-10
JP2002316508A (en) 2002-10-29
US20040197039A1 (en) 2004-10-07
DE60230253D1 (en) 2009-01-22
WO2002090133A1 (en) 2002-11-14

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